1 /*
2 * virtio ccw vhost-user-fs implementation
3 *
4 * Copyright 2020 IBM Corp.
5 *
6 * This work is licensed under the terms of the GNU GPL, version 2 or (at
7 * your option) any later version. See the COPYING file in the top-level
8 * directory.
9 */
10 #include "qemu/osdep.h"
11 #include "hw/qdev-properties.h"
12 #include "qapi/error.h"
13 #include "hw/virtio/vhost-user-fs.h"
14 #include "virtio-ccw.h"
15
16 typedef struct VHostUserFSCcw {
17 VirtioCcwDevice parent_obj;
18 VHostUserFS vdev;
19 } VHostUserFSCcw;
20
21 #define TYPE_VHOST_USER_FS_CCW "vhost-user-fs-ccw"
22 #define VHOST_USER_FS_CCW(obj) \
23 OBJECT_CHECK(VHostUserFSCcw, (obj), TYPE_VHOST_USER_FS_CCW)
24
25
26 static const Property vhost_user_fs_ccw_properties[] = {
27 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
28 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
29 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
30 VIRTIO_CCW_MAX_REV),
31 };
32
vhost_user_fs_ccw_realize(VirtioCcwDevice * ccw_dev,Error ** errp)33 static void vhost_user_fs_ccw_realize(VirtioCcwDevice *ccw_dev, Error **errp)
34 {
35 VHostUserFSCcw *dev = VHOST_USER_FS_CCW(ccw_dev);
36 DeviceState *vdev = DEVICE(&dev->vdev);
37
38 qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
39 }
40
vhost_user_fs_ccw_instance_init(Object * obj)41 static void vhost_user_fs_ccw_instance_init(Object *obj)
42 {
43 VHostUserFSCcw *dev = VHOST_USER_FS_CCW(obj);
44 VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
45
46 ccw_dev->force_revision_1 = true;
47 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
48 TYPE_VHOST_USER_FS);
49 }
50
vhost_user_fs_ccw_class_init(ObjectClass * klass,const void * data)51 static void vhost_user_fs_ccw_class_init(ObjectClass *klass, const void *data)
52 {
53 DeviceClass *dc = DEVICE_CLASS(klass);
54 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
55
56 k->realize = vhost_user_fs_ccw_realize;
57 device_class_set_props(dc, vhost_user_fs_ccw_properties);
58 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
59 }
60
61 static const TypeInfo vhost_user_fs_ccw = {
62 .name = TYPE_VHOST_USER_FS_CCW,
63 .parent = TYPE_VIRTIO_CCW_DEVICE,
64 .instance_size = sizeof(VHostUserFSCcw),
65 .instance_init = vhost_user_fs_ccw_instance_init,
66 .class_init = vhost_user_fs_ccw_class_init,
67 };
68
vhost_user_fs_ccw_register(void)69 static void vhost_user_fs_ccw_register(void)
70 {
71 type_register_static(&vhost_user_fs_ccw);
72 }
73
74 type_init(vhost_user_fs_ccw_register)
75